For the purposes of this specification, RSA is a public-key signature algorithm specified by PKCS #1. As a reversible public-key algorithm, it may also be used for encryption.
						                            Source(s):
						                            
								                            
                                                                    NIST SP 800-15
									                            
						                            
						                            
						                        
					                            
						                              Rivest, Shamir, Adelman; an algorithm approved in [FIPS 186] for digital signatures and in [SP 800-56B] for key establishment.
						                            Source(s):
						                            
								                            
                                                                    NIST SP 800-57 Part 1 Rev. 4
										                             [Superseded]
									                            
						                            
						                            
						                        
					                            
						                              Algorithm developed by Rivest, Shamir and Adelman (allowed in FIPS 186-3 and specified in ANS X9.31 and PKCS #1).
						                            Source(s):
						                            
								                            
                                                                    NIST SP 800-89
									                            
						                            
						                            
						                        
					                            
						                              A public-key algorithm that is used for key establishment and the generation and verification of digital signatures.
						                            Source(s):
						                            
								                            
                                                                    NIST SP 800-175B Rev. 1